<!--this is a html doctype!-->


<!--会自动生成为
<html>
<head></head>
<body>
this is a html doctype!
</body>
</html>
-->


<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <!-- <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>DOM基础1</title> -->
</head>
<body>
<script>
    // 只是document的nodeType
    // console.log(document.nodeType)
    // console.log(document.nodeName)
</script>
</body>
</html>
